.login-form {
    background-color:lightblue;
    width:500;
    border:0 ;
    align:center;
    cellpadding:0;
    cellspacing:1;
    bgcolor:#CCCCCC;
    text-align: center;
}
.dang-nhap{
    background-color:lightblue;
    width:80;
    text-align: center;
}
    
    .dang-nhap1{
    background-color: darkcyan;
    width:100%;
    text-align: center;

}
.enter{
    text-align: center;


}
.check-box {
    background-color:lightblue;
    width:500;
    border:0 ;
    cellpadding:0;
    cellspacing:1;
    bgcolor:#CCCCCC;

}
u{
    color: cadetblue;
}
h1{
    color:lightseagreen;   

}
